sfp/phylink: move module EEPROM ethtool access into netdev core ethtool

Provide a pointer to the SFP bus in struct net_device, so that the
ethtool module EEPROM methods can access the SFP directly, rather
than needing every user to provide a hook for it.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 2 insertions, 50 deletions

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index cd09bde55596..25ced96750bf 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -4075,22 +4075,6 @@ static int mvneta_ethtool_set_wol(struct net_device *dev,
 	return ret;
 }
 
-static int mvneta_ethtool_get_module_info(struct net_device *dev,
-					  struct ethtool_modinfo *modinfo)
-{
-	struct mvneta_port *pp = netdev_priv(dev);
-
-	return phylink_ethtool_get_module_info(pp->phylink, modinfo);
-}
-
-static int mvneta_ethtool_get_module_eeprom(struct net_device *dev,
-					    struct ethtool_eeprom *ee, u8 *buf)
-{
-	struct mvneta_port *pp = netdev_priv(dev);
-
-	return phylink_ethtool_get_module_eeprom(pp->phylink, ee, buf);
-}
-
 static int mvneta_ethtool_get_eee(struct net_device *dev,
 				  struct ethtool_eee *eee)
 {
@@ -4165,8 +4149,6 @@ static const struct ethtool_ops mvneta_eth_tool_ops = {
 	.set_link_ksettings = mvneta_ethtool_set_link_ksettings,
 	.get_wol        = mvneta_ethtool_get_wol,
 	.set_wol        = mvneta_ethtool_set_wol,
-	.get_module_info = mvneta_ethtool_get_module_info,
-	.get_module_eeprom = mvneta_ethtool_get_module_eeprom,
 	.get_eee	= mvneta_ethtool_get_eee,
 	.set_eee	= mvneta_ethtool_set_eee,
 };
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 9b1e4721ea3a..c582b2d7546c 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1250,34 +1250,6 @@ int phylink_ethtool_set_pauseparam(struct phylink *pl,
 }
 EXPORT_SYMBOL_GPL(phylink_ethtool_set_pauseparam);
 
-int phylink_ethtool_get_module_info(struct phylink *pl,
-				    struct ethtool_modinfo *modinfo)
-{
-	int ret = -EOPNOTSUPP;
-
-	WARN_ON(!lockdep_rtnl_is_held());
-
-	if (pl->sfp_bus)
-		ret = sfp_get_module_info(pl->sfp_bus, modinfo);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_info);
-
-int phylink_ethtool_get_module_eeprom(struct phylink *pl,
-				      struct ethtool_eeprom *ee, u8 *buf)
-{
-	int ret = -EOPNOTSUPP;
-
-	WARN_ON(!lockdep_rtnl_is_held());
-
-	if (pl->sfp_bus)
-		ret = sfp_get_module_eeprom(pl->sfp_bus, ee, buf);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_eeprom);
-
 /**
  * phylink_ethtool_get_eee_err() - read the energy efficient ethernet error
  *   counter
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index 3d4ff5d0d2a6..0381da78d228 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -342,6 +342,7 @@ static int sfp_register_bus(struct sfp_bus *bus)
 	}
 	if (bus->started)
 		bus->socket_ops->start(bus->sfp);
+	bus->netdev->sfp_bus = bus;
 	bus->registered = true;
 	return 0;
 }
@@ -356,6 +357,7 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
 		if (bus->phydev && ops && ops->disconnect_phy)
 			ops->disconnect_phy(bus->upstream);
 	}
+	bus->netdev->sfp_bus = NULL;
 	bus->registered = false;
 }
 
@@ -371,8 +373,6 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
  */
 int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo)
 {
-	if (!bus->registered)
-		return -ENOIOCTLCMD;
 	return bus->socket_ops->module_info(bus->sfp, modinfo);
 }
 EXPORT_SYMBOL_GPL(sfp_get_module_info);
@@ -391,8 +391,6 @@ EXPORT_SYMBOL_GPL(sfp_get_module_info);
 int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee,
 			  u8 *data)
 {
-	if (!bus->registered)
-		return -ENOIOCTLCMD;
 	return bus->socket_ops->module_eeprom(bus->sfp, ee, data);
 }
 EXPORT_SYMBOL_GPL(sfp_get_module_eeprom);